47969770 has 32 divisors (see below), whose sum is σ = 91037520. Its totient is φ = 18170880.

The previous prime is 47969693. The next prime is 47969771. The reversal of 47969770 is 7796974.

It can be written as a sum of positive squares in 8 ways, for example, as 9492561 + 38477209 = 3081^2 + 6203^2 .

It is not an unprimeable number, because it can be changed into a prime (47969771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13810 + ... + 16930.

Almost surely, 2^47969770 is an apocalyptic number.

47969770 is a deficient number, since it is larger than the sum of its proper divisors (43067750).

47969770 is a wasteful number, since it uses less digits than its factorization.

47969770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210.

The product of its (nonzero) digits is 666792, while the sum is 49.

The square root of 47969770 is about 6926.0212243394. The cubic root of 47969770 is about 363.3478087173.

The spelling of 47969770 in words is "forty-seven million, nine hundred sixty-nine thousand, seven hundred seventy".